Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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ſe mouendi deorsùm in oleo, hoc verò nullam facul
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tatem ſe mouendi deorsùm in
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oleo habet,
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cũ
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in
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fluido ſui generis iners æquilibretur, ergo hoc nomi
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ne pariter aqua ictum fugiens, immò non impulſą,
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nec percuſſa ab oleo poſticè recurrente non poterit
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contundi, nec explanari, & hoc experientia patet,
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nam ſi pila dura capillitium è filis ſericis tenuiſſimis
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ſibi annexum habuerit, & intra aquam filo deorsùm,
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ſursùm, vel lateraliter trahatur nunquam poſticum
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capillitium contundetur explanabiturque, dum vni
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formi, non verò retardata velocitate pila in aquą
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mouetur. </
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">& ab hac experientia luculenter euinci
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tur ſomnium illorum, qui aiunt ad vitandum
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vacuũ
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rapidiſſimo motu oleum poſticè recurrere, & ſic poſ
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ſe aquæ ſuperficiem contundere, & explanare. </
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<
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propter aqua excepto ſimplici contactu in ſuperficie
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AHC nullam contuſionem, aut percuſſionem patie
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tur ab oleo ſuperincumbente MACK, igitur neceſsè
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eſt vt aqua in AHC retineat eamdem figuram, quam
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priùs habebat, ſed eius figura intra oleum vnita, &
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contornata eſſe ſolet ob naturalem partum eius con
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nexionem, & vinculum, & ob compreſſionem vn
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dequaque factam à fluido ambiente, vt dictum eſt.
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</
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<
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id
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">igitur dum aqua ABC deſcendit intra oleum poſtre
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ma eius baſis AHC, ſcilicèt versùs terminum à quo
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motus inchoat, eius figura debet eſſe tumida con
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uexa, & contornata, cum è contra eadem aqua
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aſcẽ-dens
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dens</
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intra mercurium ſi extruderetur à fluido ambi
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ente neceſſariò eius poſtica baſis versùs principium </
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